#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	int  a = 0;
	while (scanf("%d", &a) != EOF)
	{
		if (a % 2 == 1)
		{
			printf("Odd ");
		}
		else
			printf("Even ");
	}
	return 0;
}